Nikon 50/1.4g vs. Tamron 60/2?

did anybody tried to compare Nikon 50/1.4g vs. Tamron 60/2 on DX camera. I want a portrait lens about 60mm long. The Nikon 50/1.4 is known for not being very sharp at widest aperture on DX and macros are known to be quite sharp so I'm interested in comparison of 50mm at f/2 vs. 60mm at f/2 (or whatever the lens allows at the portrait distance, it could be like f/2.3) and also at f/2.8. I'm not interested in apertures over f/5 where my 18-105vr does excellent job due to VR and it is sharp enough.